我有一个必须放入ViewPager的fragment列表(到目前为止没问题)。ArrayListfragmentList=newArrayList();fragmentList.add(newfragment1());fragmentList.add(newfragment2());fragmentList.add(newfragment3());fragmentList.add(newfragment4());FragmentAdaptermAdapter=newFragmentAdapter(mFragmentManager,fragmentList);mPager=(ViewPa